Tire tread and buttress



FIG. 1 is a front elevational view of a tire tread and buttress, it being understood that the pattern is repeated throughout the circumference of the tread and buttress as shown schematically by solid lines; and

FIG. 2 is a perspective view thereof, it being understood that the broken line showing of the tire sidewall and bead portions are for illustrative purposes only. 

The ornamental design for a tire tread and buttress, as shown and described. 